The AE12H9914 from Anatech Electronics is a RF High Pass Filter with Frequency 12 to 80 MHz, Insertion Loss 1 dB, Power 20 W, Rejection 40 dBMin.@ DC-10 MHz, Return Loss 15 dB. Tags: Module with Connectors, Lumped Component Filter. More details for AE12H9914 can be seen below.